"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 导入导出、备份恢复工具支持M*兼容性
Case Name   : 导入导出支持表级、字段级character和collate的语法
Create At   : 2023.05.04
Owner       : z@wan005
Description :
    1.创建兼容b库
    2.支持表级、字段级character和collate的语法兼容
    3.使用gs_dump工具导出表为tar格式
    4.导入之前导出的数据到新库
    5.连接导入库查询
    6.清理环境
Expect      :
    1.成功
    2.成功
    3.成功
    4.成功
    5.成功
    6.成功
History     :
"""

import os
import unittest

from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger
from yat.test import Node
from yat.test import macro


class GsDump0034(unittest.TestCase):
    def setUp(self):
        self.log = Logger()
        self.sh_primary = CommonSH('PrimaryDbUser')
        self.dbuser_node = Node('PrimaryDbUser')
        self.constant = Constant()
        self.db_name = "db_dump_0034"
        self.db_name_01 = "db_dump_0034_01"
        self.tb_name = "tb_dump_0034"
        self.dump_path = os.path.join(macro.DB_BACKUP_PATH, 'dump0034')

    def test_server_tools(self):
        self.log.info(f'-----{os.path.basename(__file__)} start-----')
        text = '----step1: 创建兼容b库 expect: 成功----'
        self.log.info(text)
        sql_cmd = f"drop database if exists {self.db_name};" \
                  f"create database {self.db_name} encoding 'UTF8' " \
                  f"dbcompatibility 'b';" \
                  f"drop database if exists {self.db_name_01};" \
                  f"create database {self.db_name_01} encoding 'UTF8' " \
                  f"dbcompatibility 'b';"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd)
        self.log.info(sql_result)
        self.assertEqual(2, sql_result.count(
            self.constant.CREATE_DATABASE_SUCCESS), '执行失败:' + text)

        text = '----step2: 兼容b库下建表，支持表级、字段级character和collate的' \
               '语法兼容 expect: 成功----'
        self.log.info(text)
        sql_cmd = f"drop table if exists {self.tb_name},{self.tb_name}_01," \
                  f"{self.tb_name}_02,{self.tb_name}_03,{self.tb_name}_04," \
                  f"{self.tb_name}_05,{self.tb_name}_06;" \
                  f"create table {self.tb_name}(c text character set " \
                  f"test_character_set);" \
                  f"create table {self.tb_name}_01(c text charset " \
                  f"test_charset);" \
                  f"create table {self.tb_name}_02(c text " \
                  f"collate utf8mb4_bin);" \
                  f"create table {self.tb_name}_03(c int) character " \
                  f"set utf8;" \
                  f"create table {self.tb_name}_04(c int) charset utf8;" \
                  f"create table {self.tb_name}_05(c int) collate " \
                  f"utf8mb4_general_ci;" \
                  f"create table {self.tb_name}_06(c int) character set " \
                  f"utf8 collate utf8mb4_general_ci;"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname=self.db_name)
        self.log.info(sql_result)
        self.assertEqual(7,
                         sql_result.count(self.constant.TABLE_CREATE_SUCCESS),
                         '执行失败:' + text)

        text = '----step3: 使用gs_dump工具导出表为tar格式 expect: 成功----'
        self.log.info(text)
        gs_dump_cmd = f"source {macro.DB_ENV_PATH};" \
                      f"gs_dump " \
                      f"-p {self.dbuser_node.db_port} " \
                      f"{self.db_name} -F t " \
                      f"-f {self.dump_path}"
        self.log.info(gs_dump_cmd)
        dump_msg = self.dbuser_node.sh(gs_dump_cmd).result()
        self.log.info(dump_msg)
        self.assertIn(f"dump database {self.db_name} successfully",
                      dump_msg, '执行失败:' + text)

        text = '----step4: 导入之前导出的数据到新库 expect: 成功----'
        self.log.info(text)
        gs_restore_cmd = f"source {macro.DB_ENV_PATH};" \
                         f"gs_restore -p {self.dbuser_node.db_port} " \
                         f"-d {self.db_name_01} " \
                         f"{self.dump_path}"
        self.log.info(gs_restore_cmd)
        restore_msg = self.dbuser_node.sh(gs_restore_cmd).result()
        self.log.info(restore_msg)
        self.assertIn(self.constant.RESTORE_SUCCESS_MSG, restore_msg,
                      '执行失败:' + text)

        text = '----step5: 连接导入库查询 expect: 成功----'
        self.log.info(text)
        sql_cmd = f"show create table {self.tb_name};" \
                  f"show create table {self.tb_name}_01;" \
                  f"show create table {self.tb_name}_02;" \
                  f"show create table {self.tb_name}_03;" \
                  f"show create table {self.tb_name}_04;" \
                  f"show create table {self.tb_name}_05;" \
                  f"show create table {self.tb_name}_06;"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname=self.db_name_01)
        self.log.info(sql_result)
        self.assertEqual(4, sql_result.count(
            'CHARACTER SET = "UTF8" COLLATE = "utf8mb4_general_ci"'),
                         '执行失败:' + text)

    def tearDown(self):
        text = '---step6: 清理环境 expect: 成功----'
        self.log.info(text)
        sql_cmd = f"drop database if exists {self.db_name};" \
                  f"drop database if exists {self.db_name_01};"
        self.log.info(sql_cmd)
        sql_result = self.sh_primary.execut_db_sql(sql_cmd,
                                                   dbname='postgres')
        self.log.info(sql_result)
        rm_cmd = f"rm -rf {self.dump_path}"
        self.log.info(rm_cmd)
        rm_msg = self.dbuser_node.sh(rm_cmd).result()
        self.log.info(rm_msg)
        self.assertEqual(2,
                         sql_result.count(self.constant.DROP_DATABASE_SUCCESS),
                         '执行失败:' + text)
        self.assertEqual('', rm_msg, '执行失败:' + text)
        self.log.info(f'-----{os.path.basename(__file__)} end-----')
